A handy accessory for homeowners and outdoorsmen alike, the Mr. Heater Little Buddy Heater offers powerful heating performance in an extremely portable package. Designed to directly connect to and run off of standard 16.4 oz. disposable propane cylinders (not included), this heater helps you put 3800 BTUs of heating power where you need it. CSA certified for indoor use, this heater is great for garages, workshops, enclosed porches, and any other well-ventilated enclosure. The Buddy Heater also works in tents, fishing huts, and similar enclosures, making it a handy accessory for hunters and fishermen. Easy to use, the heater ignites with the push of a button. Oxygen depletion sensor notifies you of ventilation problems, while safety shutoff shuts the heater down if accidentally knocked over. Heats up to 100 square feet. Heats for approximately 5-1/2 hours on one cylinder.